This classic indoor exercise machine has some tricks up its sleeve. Here are four workouts, for runners and walkers, to get ...

It’s possible to defy gravity using sound waves, magnets or electricity, but today’s methods can’t hoist heavy items high in ...

I’ve been reviewing smart lighting for years. Here are tips on how to prep, what to choose, and the smart lights that work ...

Discover how to create a simple solar energy harvester at home using basic household items and electronic components. This ...

Discover how to build a simple solar cell at home using everyday materials! This step-by-step tutorial demonstrates how to ...